POWER DISTRIBUTION CENTER
The Power Distribution Center (PDC) is located
next to the battery (Fig. 1). The PDC contains the
starter relay, radiator fan relay, A/C compressor
clutch relay, auto shutdown relay, fuel pump relay
and several fuses.
CCD BUS
Various modules exchange information through a
communications port called the CCD Bus. The pow-
ertrain control module (PCM) transmits the Malfunc-
tion Indicator Lamp (Check Engine) On/Off signal
and engine RPM on the CCD Bus. The PCM receives
the Air Conditioning select input, transaxle gear
position input and speed control engage inputs over
the CCD Bus. The PCM also receives the air condi-
tioning evaporator temperature signal from the CCD
Bus.
The following components access or send informa-
tion on the CCD Bus.
•
Instrument Panel
•
Body Control Module
•
Air Bag System Diagnostic Module
•
Full ATC Display Head
•
ABS Module
•
Transmission Control Module
•
Powertrain Control Module
•
Overhead Travel Module
POWERTRAIN CONTROL MODULE
The Powertrain Control Module (PCM) is a digital
computer containing a microprocessor. The PCM
receives input signals from various switches and sen-
sors that are referred to as PCM Inputs. Based on
these inputs, the PCM adjusts various engine and
vehicle operations through devices that are referred
to as PCM Outputs.
NOTE: PCM Inputs:
•
Air Conditioning Controls
•
Battery Voltage
•
Battery Temperature Sensor
•
Brake Switch
•
Camshaft Position Sensor
•
Crankshaft Position Sensor
•
Engine Coolant Temperature Sensor
•
Fuel Level Sensor
•
Ignition Switch
•
Intake Air Temperature Sensor
•
Knock Sensor (2.0/2.4L only)
•
Manifold Absolute Pressure (MAP) Sensor
•
Oxygen Sensors
•
Power Steering Pressure Switch
•
SCI Receive
•
Speed Control Switches
•
Throttle Position Sensor
•
Transmission Park/Neutral Switch (automatic
transmission)
•
Vehicle Speed Sensor
NOTE: PCM Outputs:
•
Air Conditioning Clutch Relay
•
Auto Shutdown (ASD) Relay
•
Charging Indicator Lamp
•
SCI Transmit
•
Duty Cycle EVAP Canister Purge Solenoid
•
EGR Solenoid
•
Fuel Injectors
•
Fuel Pump Relay
•
Generator Field
•
Idle Air Control Motor
•
Ignition Coils
•
Malfunction Indicator (Check Engine) Lamp
•
Radiator Fan Relays
•
Speed Control Solenoids
Based on inputs it receives, the PCM adjusts fuel
injector pulse width, idle speed, ignition spark
advance, ignition coil dwell and EVAP canister purge
operation. The PCM regulates the cooling fan, air
conditioning and speed control systems. The PCM
changes generator charge rate by adjusting the gen-
erator field. The PCM also performs diagnostics.
The PCM adjusts injector pulse width (air-fuel
ratio) based on the following inputs.
•
Battery voltage
•
Coolant temperature
•
Exhaust gas content (oxygen sensor)
Fig. 1 Power Distribution Center and
PowertrainControl Module
POWER
DISTRIBUTION
CENTER
POWERTRAIN
CON-
TROL MODULE
JA
FUEL SYSTEM
14 - 29
DESCRIPTION AND OPERATION (Continued)
Содержание Stratus LHD 1997
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Страница 525: ...Fig 5 Symbol Identification 8W 01 4 8W 01 GENERAL INFORMATION JA DESCRIPTION AND OPERATION Continued ...
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Страница 816: ...Fig 4 Engine Connections 2 0L 2 4L JA 8W 90 CONNECTOR GROUND LOCATIONS 8W 90 9 DESCRIPTION AND OPERATION Continued ...
Страница 817: ...Fig 5 Engine Connections 2 5L 8W 90 10 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 818: ...Fig 6 Transmission Connections JA 8W 90 CONNECTOR GROUND LOCATIONS 8W 90 11 DESCRIPTION AND OPERATION Continued ...
Страница 819: ...Fig 7 Steering Column Connections 8W 90 12 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 820: ...Fig 8 Instrument Panel Connections JA 8W 90 CONNECTOR GROUND LOCATIONS 8W 90 13 DESCRIPTION AND OPERATION Continued ...
Страница 821: ...Fig 9 Instrument Panel Connections 8W 90 14 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 822: ...Fig 10 Junction Block Connections JA 8W 90 CONNECTOR GROUND LOCATIONS 8W 90 15 DESCRIPTION AND OPERATION Continued ...
Страница 823: ...Fig 11 HVAC Connections 8W 90 16 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 824: ...Fig 12 Body Connections JA 8W 90 CONNECTOR GROUND LOCATIONS 8W 90 17 DESCRIPTION AND OPERATION Continued ...
Страница 825: ...Fig 13 Body Connections 8W 90 18 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 826: ...Fig 14 Body Connections JA 8W 90 CONNECTOR GROUND LOCATIONS 8W 90 19 DESCRIPTION AND OPERATION Continued ...
Страница 827: ...Fig 15 Roof Connections 8W 90 20 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 829: ...Fig 18 Deck Lid Connections 8W 90 22 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 833: ...Fig 5 Engine Splices 2 0L 2 4L 8W 95 4 8W 95 SPLICE LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 834: ...Fig 6 Engine Splices 2 5L JA 8W 95 SPLICE LOCATIONS 8W 95 5 DESCRIPTION AND OPERATION Continued ...
Страница 835: ...Fig 7 Body Splices 8W 95 6 8W 95 SPLICE LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 836: ...Fig 8 Deck Lid Splices Fig 9 Door Splices JA 8W 95 SPLICE LOCATIONS 8W 95 7 DESCRIPTION AND OPERATION Continued ...
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Страница 975: ...Adapter 6887 Camshaft Seal Installer 6863 9 138 2 5L ENGINE JA SPECIAL TOOLS Continued ...
Страница 995: ...Fig 2 Exhaust System Leaded Fuel 11 2 EXHAUST SYSTEM AND INTAKE MANIFOLD JA GENERAL INFORMATION Continued ...
Страница 1001: ...13 6 BUMPERS AND FRAME JA SPECIFICATIONS Continued ...
Страница 1065: ...Fuel Line Adapter 1 4 14 64 FUEL SYSTEM JA SPECIAL TOOLS Continued ...
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Страница 1106: ...SPECIAL TOOLS POWER STEERING PUMP Installer C 4063B Puller C 4333 P S System Analyzer 6815 JA STEERING 19 35 ...
Страница 1236: ...41TE TRANSAXLE HYDRAULIC SCHEMATIC JA TRANSAXLE 21 105 SCHEMATICS AND DIAGRAMS Continued ...
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Страница 1248: ...41TE TRANSAXLE HYDRAULICSCHEMATIC JA TRANSAXLE 21 117 SCHEMATICS AND DIAGRAMS Continued ...
Страница 1257: ...Remover 6787 Cooling System Tester 7700 Seal Remover 7794 a 21 126 TRANSAXLE JA SPECIAL TOOLS Continued ...
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Страница 1287: ...SPECIFICATIONS SUNROOF COMPONENTS 23 16 BODY JA ...
Страница 1318: ...SPECIAL TOOLS BODY REMOVER MOLDINGS C 4829 STICK TRIM C4755 JA BODY 23 47 ...
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Страница 1321: ...Fig 1 Floor Console 23 2 BODY JA REMOVAL AND INSTALLATION Continued ...
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Страница 1375: ...ENGINE VACUUM SCHEMATIC 2 0L 25 16 EMISSION CONTROL SYSTEMS JA DIAGNOSIS AND TESTING Continued ...
Страница 1376: ...ENGINE VACUUM SCHEMATIC 2 4LATX JA EMISSION CONTROL SYSTEMS 25 17 DIAGNOSIS AND TESTING Continued ...
Страница 1377: ...ENGINE VACUUM SCHEMATIC 2 5LATX 25 18 EMISSION CONTROL SYSTEMS JA DIAGNOSIS AND TESTING Continued ...
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Страница 1401: ...FASTENER IDENTIFICATION 6 INTRODUCTION JA GENERAL INFORMATION Continued ...
Страница 1404: ...METRIC CONVERSION JA INTRODUCTION 9 GENERAL INFORMATION Continued ...
Страница 1512: ...41TE TRANSAXLE HYDRAULIC SCHEMATIC JA TRANSAXLE 21 105 SCHEMATICS AND DIAGRAMS Continued ...
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Страница 1533: ...Remover 6787 Cooling System Tester 7700 Seal Remover 7794 a 21 126 TRANSAXLE JA SPECIAL TOOLS Continued ...